Precision Master Square

precision master square Granite Squares provide one of the most reliable squareness inspection reference. Work is positioned against the square and sighted for checking squareness of components by comparison method. Granite Squares are also used for checking squareness of measuring axis in...

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precision master square

precision master square25.png

Granite Squares provide one of the most reliable squareness inspection reference. Work is positioned against the square and sighted for checking squareness of components by comparison method. Granite Squares are also used for checking squareness of measuring axis in Co-ordinate Measuring Machines and geometrical alignment of Machine Tools.


Salient features:

Made from good quality Granite.

Two working surfaces are provided with lapped finish (H x B & L x B)

Suitable holes are provided for lifting and handling.

Finer accuracies can also be achieved on request at extra cost.

Teak-ply storing case is provided on request at extra cost.

For special applications, other surfaces can also be made flat and square to required tolerance on request at extra cost.

TYPE(mm) 


Squareness beteween abjacent measuring surfaces


straightness of measuring surface


Parallelism between opposite measuring surface

Precision grade

00

0

00

0

00

0

150*150

1.8

3.5

0.8

1.6

1.8

3.5

160x160

2

4

0.8

1.7

2

4

200x200

2

4

0.9

1.8

2

4

250x250

2.2

4.5

1

2

2.2

4.5

315x315

2.6

5.2

1.1

2.3

2.6

5.5

400x400

3

6

1.3

2.6

3

6

500x500

3.5

7

1.5

3

3.5


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